Cat litter apparatus



FIG. 1 is a perspective view of a cat litter apparatus, showing my new design.

FIG. 2 is a front view thereof;

FIG. 3 is a left view thereof; and,

FIG. 4 is a top view thereof.

The broken line showings of the cat litter apparatus are included for the purpose of illustrating portions of the cat litter apparatus and form no part of the claimed design. 

CLAIM The ornamental design for a cat litter apparatus, as shown and described. 